A foundational text of Daoist internal alchemy (neidan) composed by Zhang Boduan in 1075, written mainly as a cycle of eighty one poems that describe the cultivation and refinement of essence (jing), energy (qi) and spirit (shen) within the practitioner's own body, using the coded vocabulary of external laboratory alchemy, ingredients, furnaces and crucibles, as metaphor for internal practice rather than as instructions for producing a physical elixir. Alongside the Cantong Qi it is considered one of the two most authoritative scriptures of the internal alchemy tradition and became foundational for the Southern School (Nanzong) of Daoist self-cultivation that traces its lineage to Zhang.
Facts
Origins
Era of Composition Attributed Author / CompilerZhang Boduan (987 to 1082), credited founder of the Southern School (Nanzong) lineage of Daoist internal alchemy. 1 Composition NoteWritten in 1075, principally as ninety six poems (a set of sixteen heptasyllabic verses, sixty four octaves matching the sixty four hexagrams of the Yijing, and further shorter pieces), later editions accreted additional prose commentary. 1 Text
Literary Form Scholarship and Forensics
Scholarly NoteCleary's translation situates it as a foundational verse text of internal alchemy that deliberately encodes its instruction in symbolic, externally-alchemical language rather than plain description, a discipline standard across neidan literature. 1Tradition: Understanding Reality (Cleary) Status
Status TodayRemains studied within living Daoist internal alchemy and self-cultivation lineages descended from the Southern School. 1 Transmission
Manuscript TraditionComposed by Zhang Boduan in 1075, transmitted within the Southern School of internal alchemy (neidan) and later absorbed into the Daoist Canon. 1Tradition: Understanding Reality (Cleary) Cross-Tradition Connections
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